Military combat was forbidden for the first thirteen years of prophet hood. The desert Arabs did not need anyone to tell them how to fight or do combat. They were experts in this area and held feuds amongst tribes that lasted for decades. It was not until the proper method of warfare was instituted by Allah in the Quran, with proper rights and limitations according His Commandments, that any retaliation or combat was sanctioned. Orders from Allah made it clear who was to be attacked, how and when and to what extent fighting could take place. Destruction of infrastructures is absolutely forbidden except when it is ordained by Allah in certain instances and then only according to His Commands.
Cursing and invoking evil actually came to the prophet, peace and blessings be upon him, from his enemies, while he would be praying for their guidance. Classic example is that of his journey to At-Taif where the leaders would not even hear him out nor offer so much as the normal courtesy called for and instead they set the children of the street against him, throwing rocks and stones at him until his body was bleeding so much, blood filled his sandals. He was offered revenge by the angel Gabriel, if he would give the command, Allah would cause the surrounding mountains to fall down upon them destroying them all. Instead of cursing them or asking for their destruction, he prayed for them to be guided to worship their Lord alone, without any partners.
Prophet Muhammad, peace and blessings be upon him, claimed every person who is born is born in a state of ISLAM (submission to God on His Terms in Peace), as a Muslim (MU-Islam means; "one who does ISLAM" i.e.; submits to God's Will and obeys His Commandments). He further stated, God has created each person in the image that is His according to His plan, and their spirit is His. Then as they grow older they begin to distort their faith according to the influence of the prevailing society and their own prejudices.
Muhammad, peace and blessings be upon him, taught his followers to believe in the God of Adam, Noah, Abraham, Jacob, Moses, David, Solomon and Jesus, peace be upon them all, and to believe in them as true prophets, messengers and servants of Almighty Allah. He insisted on ranking all the prophets up at the highest level without any distinction between them, and ordered his followers to say the words, "peace and blessings be upon him" after mentioning their names.
He also taught the Torah (Old Testament), Zabur (Psalms) and Enjil (Gospel or New Testament) were originally from the very same source as the Quran, from Allah to the angel Gabriel. He asked the Jews to judge according to their own Book, and they tried to cover up some of it to hide the correct judgment, knowing he, peace and blessings be upon him, could not read.
http://www.youtube.com/watch?v=IrLFDz2ShiA - Please watch
POWERFUL Link of Christian, Muslim and Jewish Faith
